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单词 olfactory nerve
释义

olfactory nerve

noun

: either of the pair of nerves that are the first cranial nerves and that arise in the olfactory neurosensory cells of the nasal mucous membrane and pass to the anterior part of the cerebrum

Example Sentences

Recent Examples on the Web Whereas the olfactory nerve senses chemicals—the smell itself—​​the trigeminal nerve senses a smell’s tactile qualities (like prickly carbonation or bleach’s sharpness) as well as temperature shifts. Wired, 2 Aug. 2022 The olfactory nerve begins in the nasal cavity and ends in the olfactory bulb, in the brain. Isaac Chotiner, The New Yorker, 12 Aug. 2021 Many symptoms involve the cranial nerves, including the nerve for sense of smell (olfactory nerve) leading to anosmia, as well as the nerve for hearing (acoustic nerve), leading to hearing loss, dizziness, or tinnitus. Nina Shapiro, Forbes, 21 Mar. 2021 Second, the particles can bypass the barrier altogether by slipping from the nose into the olfactory nerves and then traveling to a part of the brain called the olfactory bulb. Ellen Ruppel Shell, Scientific American, 12 May 2020 In their first experiments, the researchers used transgenic animals that only made the protein in acetophenone-sensitive olfactory nerves. Robert Martone, Scientific American, 27 Aug. 2019 By pairing the electrical foot shock with optogenetic light stimulation of the acetophenone-sensitive olfactory nerves, the researchers taught the animals to associate the two. Robert Martone, Scientific American, 27 Aug. 2019 Scents can be a powerful trigger for emotion and memory, stimulating the olfactory nerve and sending signals directly to the brain. Karen Campbell, BostonGlobe.com, 12 July 2018 See More

Word History

First Known Use

1670, in the meaning defined above

Medical Definition

olfactory nerve

noun

: either of the pair of nerves that are the first cranial nerves, that serve to conduct sensory stimuli from the olfactory organ to the brain, and that arise from the olfactory cells as discrete bundles of unmyelinated fibers passing in small groups (in humans, about 20) through the cribriform plate of the ethmoid bone and terminating in the olfactory bulb

called also first cranial nerve

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更新时间:2024/11/13 10:57:23